Exercise 1

Question 11 :

The heat required to raise the temperature of body by 1 K is called

A). specific heat
B). thermal capacity
C). water equivalent
D). None of the above
Answer : Option B

Question 12 :

The nuclear particles which are assumed to hold the nucleons together are

A). electrons
B). positrons
C). neutrons
D). mesons
Answer : Option D

Question 13 :

The octane number of zero is assigned to

A). 2-methyl octane
B). n-heptane
C). iso-octane
D). 3-methyl octane
Answer : Option B

Question 14 :

The metal that is used as a catalyst in the hydrogenation of oils is

A). Ni
B). Pb
C). Cu
D). Pt
Answer : Option A

Question 15 :

The most abundant rare gas in the atmosphere is

A). He
B). Ne
C). Ar
D). Xe
Answer : Option C